Gaya APA

Speroff, L, A, , G, R, H. (1973). Clinical Gynecologic Endocrinology and Infertility (5). London: The William and Wilkins Company.

Gaya MLA

Speroff, Leon, And, , Glass,, Robert, H. "Clinical Gynecologic Endocrinology and Infertility". 5 London: The William and Wilkins Company, 1973. Text.